#ifndef __GPIO_H__
#define __GPIO_H__

#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2)) 
#define MEM_ADDR(addr)  *((volatile unsigned long  *)(addr)) 
#define BIT_ADDR(addr, bitnum)   MEM_ADDR(BITBAND(addr, bitnum)) 

#define GPIOA_ODR_Addr    (GPIOA_BASE+20) //0x40020014
#define GPIOB_ODR_Addr    (GPIOB_BASE+20) //0x40020414 
#define GPIOC_ODR_Addr    (GPIOC_BASE+20) //0x40020814 
#define GPIOD_ODR_Addr    (GPIOD_BASE+20) //0x40020C14 
#define GPIOE_ODR_Addr    (GPIOE_BASE+20) //0x40021014 
#define GPIOF_ODR_Addr    (GPIOF_BASE+20) //0x40021414    
#define GPIOG_ODR_Addr    (GPIOG_BASE+20) //0x40021814   
#define GPIOH_ODR_Addr    (GPIOH_BASE+20) //0x40021C14    
#define GPIOI_ODR_Addr    (GPIOI_BASE+20) //0x40022014     

#define GPIOA_IDR_Addr    (GPIOA_BASE+16) //0x40020010 
#define GPIOB_IDR_Addr    (GPIOB_BASE+16) //0x40020410 
#define GPIOC_IDR_Addr    (GPIOC_BASE+16) //0x40020810 
#define GPIOD_IDR_Addr    (GPIOD_BASE+16) //0x40020C10 
#define GPIOE_IDR_Addr    (GPIOE_BASE+16) //0x40021010 
#define GPIOF_IDR_Addr    (GPIOF_BASE+16) //0x40021410 
#define GPIOG_IDR_Addr    (GPIOG_BASE+16) //0x40021810 
#define GPIOH_IDR_Addr    (GPIOH_BASE+16) //0x40021C10 
#define GPIOI_IDR_Addr    (GPIOI_BASE+16) //0x40022010 
 
#define PA_O(n)   	BIT_ADDR(GPIOA_ODR_Addr,n)  //输出 
#define PA_I(n)    	BIT_ADDR(GPIOA_IDR_Addr,n)  //输入 

#define PB_O(n)   	BIT_ADDR(GPIOB_ODR_Addr,n)  //输出 
#define PB_I(n)    	BIT_ADDR(GPIOB_IDR_Addr,n)  //输入 

#define PC_O(n)   	BIT_ADDR(GPIOC_ODR_Addr,n)  //输出 
#define PC_I(n)    	BIT_ADDR(GPIOC_IDR_Addr,n)  //输入 

#define PD_O(n)   	BIT_ADDR(GPIOD_ODR_Addr,n)  //输出 
#define PD_I(n)    	BIT_ADDR(GPIOD_IDR_Addr,n)  //输入 

#define PE_O(n)   	BIT_ADDR(GPIOE_ODR_Addr,n)  //输出 
#define PE_I(n)    	BIT_ADDR(GPIOE_IDR_Addr,n)  //输入

#define PF_O(n)   	BIT_ADDR(GPIOF_ODR_Addr,n)  //输出 
#define PF_I(n)    	BIT_ADDR(GPIOF_IDR_Addr,n)  //输入

#define PG_O(n)   	BIT_ADDR(GPIOG_ODR_Addr,n)  //输出 
#define PG_I(n)    	BIT_ADDR(GPIOG_IDR_Addr,n)  //输入

#define PH_O(n)   	BIT_ADDR(GPIOH_ODR_Addr,n)  //输出 
#define PH_I(n)    	BIT_ADDR(GPIOH_IDR_Addr,n)  //输入

#define PI_O(n)  	 	BIT_ADDR(GPIOI_ODR_Addr,n)  //输出 
#define PI_I(n)   	BIT_ADDR(GPIOI_IDR_Addr,n)  //输入

#endif
